<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名" />
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
        </el-select>
      </el-form-item>
      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table :data="list" border fit highlight-current-row>
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">{{ (page - 1) * limit + scope.$index + 1 }}</template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">{{ scope.row.level===1?'高级讲师':'首席讲师' }}</template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <!-- 路由跳转 -->
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="removeDataById(scope.row.id)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页插件-->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>
<script>
//这里要引入你调用teacher.js的文件,.js可以省略
import teacher from "@/api/edu/teacher.js";
export default {
  //写核心代码的位置
  // data定义当前变量和初始值
  data() {
    return {
      list: null, //查询完之后接口返回集合
      page: 1, //定义当前页
      limit: 10, //定义每页记录数
      total: 0, //总记录数 初始值设置为0
      teacherQuery: {} //条件封装对象
    };
  },
  //created页面渲染之前执行,一般调用methods里面定义的方法
  created() {
    this.getList();
  },
  //methods创建具体的方法，调用teacher.js定义的方法
  methods: {
    //教师列表获取
    getList(page = 1) {
      //传一个page可以切换分页，第1次查询第1页，以此类推
      this.page = page;
      teacher
        .getTeacherListPage(this.page, this.limit, this.teacherQuery)
        .then(response => {
          //response接口成功返回的数据
          this.list = response.data.rows; //给list赋值
          this.total = response.data.total; //给total赋值
        }) //请求成功
        .catch(error => {
          console.log(error);
        }); //请求失败
    },
    //清空查询框
    resetData() {
      //表单输入项清空
      this.teacherQuery = {};
      //查询所有讲师的数据
      this.getList();
    },
    //2.删除教师
    removeDataById(id) {
      this.$confirm("此操作将永久删除讲师记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(() => {
          //点击确定，执行then方法
          //调用删除的方法
          teacher.deleteTeacherById(id).then(response => {
            //删除成功
            //提示信息
            this.$message({
              type: "success",
              message: "删除成功!"
            });
            //回到列表页面
            this.getList(this.page);
          });
        }) //点击取消，执行catch方法
        .catch(error => {});
    }
  }
};
</script>